28200830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{402869}}^1$

素因数の和:402883

約数の個数: 16

約数和(自身を含む): 58013280

約数和(自身を除く): 29812450

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 402869, 805738, 2014345, 2820083, 4028690, 5640166, 14100415, 28200830]

約数ペア:

[(1, 28200830), (2, 14100415), (5, 5640166), (7, 4028690), (10, 2820083), (14, 2014345), (35, 805738), (70, 402869)]